It's spelled the same in French.
le Monaco.
"Monaco"
équipe de Monaco
"bienvenue à Monaco"
The official language of Monaco is French, so you would say "Merci".
In Monaco the official language is French, meaning people would say 'Bonne Nuit' or 'Bonsoir' to say goodnight.
Monaco
"Monaco" is the French name for Monaco
The French colonised Monaco from 1793 to 1814.
A citizen of Monaco is "un/une monégasque" (works for both masculine and feminine genders)
Monaco has spoken French for over 700 years.
Monaco has many hotels and restaurants with French names.
Monaco is neither in Spain or France. It is a country in it's own right, on the south coast of France.
Monaco has a tiny territory and is completely surrounded by France. The border is only 4 km long and despite having its own government, it is very resembling to the neighboring French towns.